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IBM Cloud Object Storage vs Nutanix Unified Storage (NUS) comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Nov 4, 2024

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Pure Storage FlashBlade
Sponsored
Ranking in File and Object Storage
8th
Average Rating
8.8
Reviews Sentiment
7.5
Number of Reviews
39
Ranking in other categories
All-Flash Storage (12th), Software Defined Storage (SDS) (9th)
IBM Cloud Object Storage
Ranking in File and Object Storage
12th
Average Rating
8.2
Reviews Sentiment
7.2
Number of Reviews
8
Ranking in other categories
No ranking in other categories
Nutanix Unified Storage (NUS)
Ranking in File and Object Storage
3rd
Average Rating
8.8
Reviews Sentiment
7.2
Number of Reviews
115
Ranking in other categories
All-Flash Storage (7th), Software Defined Storage (SDS) (2nd), Public Cloud Storage Services (4th), NVMe All-Flash Storage Arrays (4th)
 

Mindshare comparison

As of February 2026, in the File and Object Storage category, the mindshare of Pure Storage FlashBlade is 5.5%, down from 5.9% compared to the previous year. The mindshare of IBM Cloud Object Storage is 1.2%, up from 1.2% compared to the previous year. The mindshare of Nutanix Unified Storage (NUS) is 2.7%, down from 2.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
File and Object Storage Market Share Distribution
ProductMarket Share (%)
Nutanix Unified Storage (NUS)2.7%
Pure Storage FlashBlade5.5%
IBM Cloud Object Storage1.2%
Other90.6%
File and Object Storage
 

Featured Reviews

MikaelHellström - PeerSpot reviewer
IT Manager at Regin Dalarna
Has handled backup storage needs reliably and supports seamless upgrades
In environments requiring high throughput and low latency, Pure Storage FlashBlade provides high throughput and normal latency, but we do not have any application that requires low latency right now, so the latency of three to five milliseconds is considered kind of high. Pure Storage FlashBlade's ability to integrate with enterprise applications is not important for us, as we only want to present an S3 bucket for our backup, which we have done, and it works very fast. We use the Purity software's data reduction techniques; we have a backup software that compresses everything before sending it to the S3 bucket, achieving a data reduction of 1.1 to one. I would recommend Pure Storage FlashBlade to other companies because it's a very fast and scalable solution for anyone who needs it. On a scale of 1-10, I rate this solution an 8.
reviewer2384904 - PeerSpot reviewer
Account Technology Specialist at a tech vendor with 10,001+ employees
Enables seamless data replication and supports comprehensive data analytics workflows
The capability to replicate data in different locations is valuable since it enables customers to have a cluster over various sites. Also, important is the capability to provide RESTful APIs for custom connectors. In terms of security, I advise customers to rotate access keys to enhance protection. Additionally, scalability is effortless as you can add nodes or expand the license.
Amarnath Charugundla - PeerSpot reviewer
System Engineer at Tata Consultancy
Unified management and cost-effectiveness lead to positive experiences and future savings
Improvement is necessary wherein the memory or storage should not breach 90%, because if breached, it becomes unmanageable. We have to set alerts or CPU triggering for 95% for the first warning. Other activities on nodes or file systems should be properly maintained. We must monitor the dashboard for P1, P2 alerts in the Nutanix Unified Storage (NUS) file share system including SMB, NFS, objects, and blocks. Attention should be maintained for any alerts such as CPU, memory, and RAM alerts, as exceeding these creates issues within teams. If triggered to 95% and forgotten, it crosses the SLA breach, causing disturbances to application, web, and platform teams. Continuous monitoring on the Nutanix dashboard is essential. Even a highly experienced person in Nutanix Unified Storage (NUS) cannot provide a 10 rating out of 10 because it is a vast system. I would rate it eight from my perspective.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"The most valuable features of this solution are the rewrite speed and the nonstop services."
"I would rate this solution an eight plus. It has has good flexibility and stability, it's easy to manage and the response time is good."
"The most valuable features include the ease of implementation, ease of use and the speed that you can do backup and recovery on."
"Among its most appealing features are its ease of handling and minimal maintenance requirements."
"The most valuable features are the Metro clustering, and disaster recovery."
"It uses the same platform for connectivity so integration is seamless."
"We have seen a reduction in the total cost of ownership by around 20%."
"We can capacity plan at a greater level than we used to."
"Overall, I rate IBM Cloud Object Storage a ten out of ten."
"IBM Cloud Object Storage integrates well."
"IBM has the most number of additional services, this is the main advantage."
"The standout feature of IBM Cloud Object Storage is its top-notch security, making it ideal for sensitive applications like mobile financial transactions."
"The most valuable feature I like is when you connect it via CLI plug-in...It is a stable solution."
"One of Cloud Object Storage's best features is infinite capacity. This is one of the main advantages if you don't want to use your own storage. You also have the ability to write only, write once, and read many. It's like tape storage but software-based. This feature is essential for financial institutions that require that kind of protection if you write backup or data there."
"The capability to replicate data in different locations is valuable since it enables customers to have a cluster over various sites."
"The integration itself is pretty easy. The access appliances create the connection between both environments."
"From an analytics perspective, the best aspect of Unified Storage is its locality. When you read data, you want to know that you're only reading data from the particular local storage node. It's also critical to access the data as quickly as possible from that. From a business perspective, the most important thing is ease of use. Having a combination of compute and storage makes it much easier to manage."
"The capacity is very good. They use fewer nodes than before. Each node is isolated with the CPU with the performance. It is a cluster node but works separately, so the performance will be tripled."
"The feature that I find most useful in Nutanix Unified Storage (NUS) is the integration with Nutanix Move where you can seamlessly integrate it into your storage."
"It is more stable and scalable compared to the Windows file server."
"One of the best features of the Nutanix Unified Storage (NUS) is that I find everything, all the solutions, in one single box; if you look into Nutanix, the HCI plus whatever storage is required as part of the requirements, such as if applications are hosted on Kubernetes or container platforms requiring S3, NFS, or any other protocol, we can access everything from a single system, eliminating the need to manage multiple systems and different storage in the data center, as one system from one OEM provides everything."
"The simplicity of management is valuable because, in more traditional environments, the platform updates are much more complex."
"We had three racks full of storage and now it is just half a rack."
"The most valuable features of the solution are replication and backup and our company needs a tool to help us with disaster recovery and the security of our data."
 

Cons

"I would like to see more monitoring capability included in the next release of this solution."
"The only thing I feel FlashBlade is missing is the SOS API. If it had SOS API, that would put it well over the top."
"It would be beneficial if the layer could support the S3 protocol and be container ready in the next release."
"Its configuration should be easier."
"The solution is expensive."
"There is some room for new features related to authentication and integration with Kubernetes, and other solution using S3 Bucket."
"It's on the expensive side, as expected for a niche product."
"The Pure Storage Orchestrator is our biggest pain point at the moment. If we can have more say in future developments of feature sets that we will need to support for our use case, that would be pretty beneficial to us."
"Sometimes technical support lacks a comprehensive understanding of the entire solution, only focusing on the product they support."
"IBM has limited cloud storage."
"If I had to choose one area, it would be making the consoles more intuitive would be helpful. Sometimes, they can be a little complicated if you're not familiar with them."
"The performance could be better. It isn't bad, but everything is network-based, so you have a performance penalty on the network. You can never achieve the same performance as hardware. That's the disadvantage of cloud storage solutions in general. Cloud performance is one of the main issues clients have."
"One improvement could be incorporating a feature similar to Dropbox's version history. This would allow users to track modifications made to files over time, which is particularly important for maintaining a record of changes. While the free version might not include this feature, it could be included in the paid version to provide added value to clients. Additionally, having a version history feature that allows users to access modifications made to files over the past three months could be beneficial."
"Room for improvement depends on customer needs. Some customers prefer pure Object Storage using the S3 protocol, while others use a gateway in front of the storage grid to enable CIFS or NFS."
"One area where IBM Cloud Object Storage could potentially improve is in modernizing its underlying codebase."
"The performance could improve in IBM Cloud Object Storage. The throughput or objects per second can have degradation."
"We couldn't access Nutanix Unified Storage (NUS) from Prism Central due to bugs. The bugs that Nutanix fixed in newer versions prevented us from accessing Nutanix Unified Storage (NUS) from Prism Central."
"Regarding areas where Nutanix Unified Storage (NUS) could improve, they should focus on pricing transparency and reducing licensing complexity."
"Nutanix could improve the ability to track user actions, such as identifying who deleted a folder."
"It's still pretty expensive."
"Security is an area for improvement. When there are vulnerabilities, there needs to be a faster approval process. The solution needs to automatically target the vulnerabilities and not waste too much time."
"The solution should include more protocols to access data."
"While they are good and they do work, some of the snapshotting and tiering features are not as simple to set up as they could be."
"From the speed perspective of Nutanix Unified Storage (NUS), it could enhance some features to make it the best storage solution in the market."
 

Pricing and Cost Advice

"The pricing is relatively expensive due to the FlashBlade technology. However, for companies needing quick and reliable data access, the cost is justified."
"The product is very expensive."
"I rate the tool's pricing a seven to eight out of ten."
"The price could be cheaper."
"The price is a little high."
"It's a costly solution, but Pure Storage FlashBlade doesn't require additional licenses. All of the software is combined into one bundle."
"Our customers have seen a reduction in TCO."
"Support is a separate line item. Support is a different cost, but whatever your support is now, that's what you're going to pay forever. If your support's $100 today, six years from now it's $100. It doesn't fluctuate unless you upgrade it, or change it, etc."
"Pricing is not cheap."
"IBM Cloud is cheaper than AWS. If you want to scale your cloud infrastructure, it can be bought at almost the same price."
"Like most cloud providers, IBM likely charges based on storage capacity, typically per gigabyte or terabyte. Their pricing is competitive when compared to AWS or Microsoft."
"You have the option of a monthly or yearly license. Most customers choose the monthly option. I understand what you would like to say. IBM also lets you choose among four types of Cloud Object Storage. The difference is usage, performance, etc. Of course, high-performance storage is more expensive, while low-performance storage is for cold data, and it's really cheap."
"Nutanix Unified Storage isn't expensive."
"I'm happy with the cost and licensing because I don't have big volumes."
"The price can always be improved. As a customer, you always seek reasonable solutions within your budget, and they give us little to do a lot. My IT team always has to justify that we are choosing an optimal solution, so the price could be a little lower Maybe the prices could be a little bit lower."
"The product has an annual licensing fee."
"The pricing of Nutanix is generally higher compared to other vendors, which is a common observation, but it provides value through its support and features offered to customers."
"It's competitive and attractive for moving things to it and then prioritizing those newly freed up resources for something else."
"Nutanix Unified Storage pricing is reasonable."
"I find Nutanix Files Storage competitively priced, even its feature set. Its price is seven out of ten."
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Manufacturing Company
10%
Computer Software Company
10%
Government
7%
Financial Services Firm
25%
Computer Software Company
16%
Manufacturing Company
7%
Government
7%
Computer Software Company
19%
Manufacturing Company
12%
Educational Organization
5%
Financial Services Firm
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise11
Large Enterprise21
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise2
Large Enterprise4
By reviewers
Company SizeCount
Small Business26
Midsize Enterprise30
Large Enterprise66
 

Questions from the Community

What do you like most about Pure Storage FlashBlade?
The tool's most valuable feature is its fast performance, especially in handling snapshots. It helps during power out...
What is your experience regarding pricing and costs for Pure Storage FlashBlade?
Regarding pricing, it is okay; we needed exactly this in size, and the price was a lot lower than competitors, making...
What needs improvement with Pure Storage FlashBlade?
In my opinion, one way Pure Storage FlashBlade can be improved is by having more compatibility between the FlashArray...
What do you like most about IBM Cloud Object Storage?
The integration itself is pretty easy. The access appliances create the connection between both environments.
What needs improvement with IBM Cloud Object Storage?
The interface can feel clunky and outdated compared to AWS S3 or Azure Blob Storage. While scalable, latency can be...
What do you like most about Nutanix Unified Storage?
Nutanix has excellent product documentation available on their portals, written in simple, easy-to-understand language.
What is your experience regarding pricing and costs for Nutanix Unified Storage?
It is very cost-effective compared to the traditional environment. With new hardware, it's a long-term investment but...
What needs improvement with Nutanix Unified Storage?
To improve Nutanix Unified Storage (NUS), cost is always an issue for every company, especially when we talk about la...
 

Also Known As

No data available
Cleversafe
Nutanix Files Storage, Nutanix Volumes Block Storage, Nutanix Objects Storage
 

Overview

 

Sample Customers

ServiceNow, Mercedes-AMG Petronas Motorsport, Dominos, Man AHL
Bitly, Dreamstime, Prime Research
JetBlue, International Speedway Corporation, Volkswagen SAIC, Brighton and Hove City Council, Foresters Financial, Janus International Group, Cloud Comrade, Serco
Find out what your peers are saying about IBM Cloud Object Storage vs. Nutanix Unified Storage (NUS) and other solutions. Updated: December 2025.
881,733 professionals have used our research since 2012.